BBC的关于大都会警察局“悬疑旧案”部门的喜剧。小组的头是女DS桑德拉普尔曼，既然是和旧事有关，索性就招聘了3个退休侦探：杰克把死去的爱妻埋在后院每天和她聊天，盖里年轻时有名的花心如今要和三个前妻四个女儿共进晚餐，布莱恩是个强迫症、前酒徒和阴谋论者。标题取自一句老话：“You can't teach an old dog new tricks（老家伙学不来新窍门）”。这帮老家伙却成功地在新时代用他们的经验和技，那些疑难案件正中了看似过时的老窍门的道。
探案新窍门 (季节 6)
The War Against Drugs 9.0
播出日期: 2009-07-16
运行时间: 60 min
概述: Brian Lane enters rehab to treat his alcoholism, but the rest of the team soon join him.
The Truth Is Out There 9.0
播出日期: 2009-07-23
运行时间: 60 min
概述: The team find themselves at the centre of a shocking cover-up.
Fresh Starts 9.0
播出日期: 2009-07-30
运行时间: 60 min
概述: The team exhumes the body of a car crash victim after claims she has been seen alive.
Shadow Show 8.0
播出日期: 2009-08-06
运行时间: 60 min
概述: UCOS are forced to re-open the investigation into producer Max Stone's death.
Death of a Timeshare Salesman 8.0
播出日期: 2009-08-13
运行时间: 60 min
概述: The UCOS team find themselves reinvestigating the death of a well-known timeshare magnate.
The Last Laugh 8.0
播出日期: 2009-08-20
运行时间: 60 min
概述: The team reinvestigate the disappearance of two young political activists.
Blood Is Thicker Than Water 8.0
播出日期: 2009-08-27
运行时间: 60 min
概述: UCOS reinvestigate a high-profile riverboat disaster on the Thames after a new witness comes forward claiming the collision was the result of sabotage, rather than an accident. But the case means putting DAC Strickland's wealthy sailing chums under the investigation spotlight; what better motivation could the team have?
Meat Is Murder 8.0
播出日期: 2009-09-03
运行时间: 60 min
概述: As the series comes to an end, the desiccated, neatly carved-up body of a butcher who disappeared more than 30 years ago is discovered, leading Sandra Pullman and her boys to pay a visit to Smithfield meat market in London, the original murder scene. It's a pity the butcher is dead, because he has a few questions to answer about why the body of a doctor was found hanging from a meat hook all those years ago at the back of his market stall. It's an episode peppered with revelations. We discover Gerry Standing's very interesting family history - he's descended from French Huguenots and is thus tormented by his colleagues for being a fake cockney, much to his annoyance: "Je suis ang-bleedingglais!" he protests. But it's Sandra who has to face up to a startling personal disclosure that has a direct bearing on the case and also throws a whole new light on her father. For once Gerry, Brian and Jack are left completely speechless.
季
集 7
集 8
集 8
集 8
集 8
集 8
集 10
集 10
集 10
集 10
集 10
集 10
集 13